Home / 88,306.84-121,870.26-50,581.84

Finding the Fourth Proportional to 88,306.84, 121,870.26 and 50,581.84

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Solution

The fourth proportional to 88,306.84, 121,870.26 and 50,581.84 is: 69,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,306.84 : 121,870.26 = 50,581.84 : x
  2. Step 2: Convert to fraction form
    88,306.84/121,870.26 = 50,581.84/x
  3. Step 3: Cross multiply
    88,306.84x = 121,870.26 × 50,581.84
  4. Step 4: Simplify right side
    88,306.84x = 6,164,421,992.08
  5. Step 5: Solve for x
    x = 6,164,421,992.08/88,306.84
  6. Step 6: Final answer
    x = 69,806.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.